Global Patent Index - EP 0791409 A3

EP 0791409 A3 19980204 - Hot saw cutting type continuous rolling method and apparatus thereof

Title (en)

Hot saw cutting type continuous rolling method and apparatus thereof

Title (de)

Warmsägen anwendendes kontinuierliches Walzverfahren und dazugehörige Einrichtung

Title (fr)

Procédé et dispositif de laminage continu utilisant le sciage à chaud

Publication

EP 0791409 A3 19980204 (EN)

Application

EP 97101910 A 19970206

Priority

JP 3595496 A 19960223

Abstract (en)

[origin: EP0791409A2] A hot saw cutting type continuous rolling method comprising the steps of: casting two strand billets continously; cutting the billets to predetermined length by hot saws; directly feeding billet portions obtained by cutting onto a rolling line through means of a line connecting device; continously welding and joining the billets portions by a flash butt welder; grinding and removing burrs at the welded portion of a continous billet by a grinding machine; and continuously rolling the billet by a rolling mill group, after heating the continuous billet to a higher temperature by an induction heater and a hot saw cutting type continuous rolling apparatus for performing the above-described method. <IMAGE>

IPC 1-7

B21B 15/00

IPC 8 full level

B22D 11/00 (2006.01); B21B 1/00 (2006.01); B21B 1/46 (2006.01); B21B 15/00 (2006.01); B21B 45/00 (2006.01); B22D 11/12 (2006.01); B22D 11/126 (2006.01); B23K 11/04 (2006.01); B23K 37/08 (2006.01); B21B 1/02 (2006.01)

CPC (source: EP KR US)

B21B 1/12 (2013.01 - KR); B21B 15/0085 (2013.01 - EP US); B21B 37/00 (2013.01 - KR); B21B 1/466 (2013.01 - EP US); B21B 15/0007 (2013.01 - EP US); B21B 2001/022 (2013.01 - EP US); B21B 2203/42 (2013.01 - EP US); Y10T 29/49988 (2015.01 - EP US); Y10T 29/49989 (2015.01 - EP US); Y10T 29/5184 (2015.01 - EP US)

Citation (search report)

  • [E] EP 0761330 A1 19970312 - NIPPON KOKAN KK [JP]
  • [E] EP 0761328 A1 19970312 - NIPPON KOKAN KK [JP]
  • [Y] DE 2836338 A1 19800228 - SCHLOEMANN SIEMAG AG
  • [A] DE 4009861 A1 19911002 - SCHLOEMANN SIEMAG AG [DE]
  • [A] DE 64393 C
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 004, no. 016 (C - 072) 7 February 1980 (1980-02-07)
  • [Y] DATABASE WPI Section Ch Week 7809, Derwent World Patents Index; Class M21, AN 78-16601A, XP002049564
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 007, no. 079 (M - 204) 31 March 1983 (1983-03-31)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 003, no. 027 (C - 039) 7 March 1979 (1979-03-07)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 015, no. 294 (M - 1140) 25 July 1991 (1991-07-25)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0791409 A2 19970827; EP 0791409 A3 19980204; EP 0791409 B1 20020605; DE 69712941 D1 20020711; DE 69712941 T2 20021219; JP 3063608 B2 20000712; JP H09225506 A 19970902; KR 100231374 B1 19991115; KR 970061380 A 19970912; US 5829117 A 19981103

DOCDB simple family (application)

EP 97101910 A 19970206; DE 69712941 T 19970206; JP 3595496 A 19960223; KR 19970005400 A 19970222; US 79243597 A 19970130